Tool boxes (Gongjuxiang) is a kind of container, which is a container for storing tools and various household sundries. It can be used for various purposes such as production, household, maintenance, fishing, etc., and is widely used. It is divided into mobile type and fixed type. The mobile tool box is the so-called tool cart. Material: PP plastic/plastic buckle/metal buckle, features: use PP engineering plastic, good bearing capacity, beautiful appearance, strong plasticity, diverse colors, large internal volume in the portable tool boxes, with detachable inner tank, and plastic cards respectively Buckle and metal buckle. With the continuous development of the economy and the change of thinking, users have higher and higher requirements for the toolbox, making the tool boxes have a great development, not only in the appearance, but also in the use of materials.